<HTML><HEAD></HEAD> <BODY dir=ltr> <DIV dir=ltr> <DIV style="FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR: #000000"> <DIV>From the park geologist on the steamboat eruption.</DIV> <DIV> </DIV> <DIV>Will</DIV> <DIV style="FONT-SIZE: small; FONT-FAMILY: 'Calibri'; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; TEXT-DECORATION: none; DISPLAY: inline"> <DIV style="FONT: 10pt tahoma"> <DIV><FONT size=3 face=Calibri></FONT> </DIV> <DIV style="BACKGROUND: #f5f5f5"> <DIV style="font-color: black"><B>From:</B> <A title=henry_heasler@nps.gov href="mailto:henry_heasler@nps.gov">Heasler, Henry</A> </DIV> <DIV><B>Sent:</B> Thursday, August 01, 2013 1:10 AM</DIV> <DIV><B>To:</B> <A title=wolveslax65@comcast.net href="mailto:wolveslax65@comcast.net">Will Boekel</A> </DIV> <DIV><B>Subject:</B> Fwd: Major Eruption of Steamboat Geyser, 31 July 2013</DIV></DIV></DIV> <DIV> </DIV></DIV> <DIV style="FONT-SIZE: small; FONT-FAMILY: 'Calibri'; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; TEXT-DECORATION: none; DISPLAY: inline"> <DIV dir=ltr> <DIV class=gmail_quote> <DIV dir=ltr> <DIV> <DIV> </DIV> <DIV>Electronic temperature loggers documented a major eruption of Steamboat Geyser on 31 July 2013, 19:30:03 MDT, plus or minus 30 seconds.</DIV> <DIV> </DIV> <DIV>The last major eruption of Steamboat Geyser occurred on 23 May 2005, in the time range 14:40 to 14:41 MDT.</DIV> <DIV> </DIV> <DIV>Hank Heasler, Cheryl Jaworowski</DIV> <DIV>Park Geologists</DIV> <DIV>Yellowstone National Park</DIV> <DIV>307-344-2441, 307-344-2208 Office<BR></DIV></DIV> <DIV> </DIV></DIV></DIV> <DIV>    </DIV></DIV></DIV></DIV></DIV></BODY></HTML>